mirror of
https://github.com/torvalds/linux.git
synced 2024-12-04 18:13:04 +00:00
1188829abc
This allows to log all calls to the driver's lowlevel functions which simplifies debugging in some cases. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
#undef TRACE_SYSTEM
|
|
#define TRACE_SYSTEM pwm
|
|
|
|
#if !defined(_TRACE_PWM_H) || defined(TRACE_HEADER_MULTI_READ)
|
|
#define _TRACE_PWM_H
|
|
|
|
#include <linux/pwm.h>
|
|
#include <linux/tracepoint.h>
|
|
|
|
DECLARE_EVENT_CLASS(pwm,
|
|
|
|
TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state),
|
|
|
|
TP_ARGS(pwm, state),
|
|
|
|
TP_STRUCT__entry(
|
|
__field(struct pwm_device *, pwm)
|
|
__field(u64, period)
|
|
__field(u64, duty_cycle)
|
|
__field(enum pwm_polarity, polarity)
|
|
__field(bool, enabled)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->pwm = pwm;
|
|
__entry->period = state->period;
|
|
__entry->duty_cycle = state->duty_cycle;
|
|
__entry->polarity = state->polarity;
|
|
__entry->enabled = state->enabled;
|
|
),
|
|
|
|
TP_printk("%p: period=%llu duty_cycle=%llu polarity=%d enabled=%d",
|
|
__entry->pwm, __entry->period, __entry->duty_cycle,
|
|
__entry->polarity, __entry->enabled)
|
|
|
|
);
|
|
|
|
DEFINE_EVENT(pwm, pwm_apply,
|
|
|
|
TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state),
|
|
|
|
TP_ARGS(pwm, state)
|
|
|
|
);
|
|
|
|
DEFINE_EVENT(pwm, pwm_get,
|
|
|
|
TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state),
|
|
|
|
TP_ARGS(pwm, state)
|
|
|
|
);
|
|
|
|
#endif /* _TRACE_PWM_H */
|
|
|
|
/* This part must be outside protection */
|
|
#include <trace/define_trace.h>
|